Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Chromatography, Closures, ND 11 Crimp Top Thread Closuresred PTFE/white Silicone septa 11 mm crimp-top aluminum cap 5.5 mm centre hole $15.60 Add to cart Chromatography, Closures, ND 11 Crimp Top Thread Closuresred PTFE/white Silicone/red PTFE septa 11 mm crimp-top aluminum cap 5.5 mm centre hole $34.05 Add to cart Chromatography, Closures, ND 11 Crimp Top Thread Closureswhite PTFE/red Silicone septa 11 mm crimp-top aluminum cap 5.5 mm centre hole $21.55 Add to cart